POSEN

Illinois — Community Water System — PWSID: IL0312520

System Information

PWSIDIL0312520
System NamePOSEN
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedFeb 26, 2026

Location & Contact

StateIllinois
CityPOSEN
ZIP Code60469
Address2440 West Walter Zimny Drive
OrganizationMARROQUIN, JULIO
Phone708-293-2620

Population & Service

Population Served5,331
Service Connections1,754

Drinking Water Violations (57)

This water system has 57 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jul 2, 2025 RPT No No Resolved Jul 2, 2025
Jul 2, 2025 RPT No No Resolved Jul 2, 2025
Jul 2, 2025 RPT No No Resolved Jul 2, 2025
Jul 2, 2025 RPT No No Resolved Jul 2, 2025
Jul 1, 2025 Other No No Unaddressed
Dec 30, 2020 MR No No TT Resolved Feb 2, 2021
Dec 30, 2020 MR No No TT Resolved Feb 2, 2021
Jul 1, 2017 Other No No Resolved Jul 10, 2017
Jul 1, 2017 Other No No Resolved Jul 10, 2017
Jul 1, 2014 Other No No Resolved Sep 8, 2014
Jul 1, 2014 Other No No Resolved Sep 8, 2014
Jan 1, 2014 Aug 31, 2014 MR No Yes 0.080 mg/L Resolved Aug 31, 2014
Jan 1, 2014 Aug 31, 2014 MR No Yes 0.080 mg/L Resolved Aug 31, 2014
Jan 1, 2014 Aug 31, 2014 MR No Yes 0.080 mg/L Resolved Aug 31, 2014
Jan 1, 2014 Aug 31, 2014 MR No Yes 0.080 mg/L Resolved Aug 31, 2014
Jan 1, 2014 Aug 31, 2014 MR No Yes 0.060 mg/L Resolved Aug 31, 2014
Jan 1, 2014 Aug 31, 2014 MR No Yes 0.060 mg/L Resolved Aug 31, 2014
Jan 1, 2014 Aug 31, 2014 MR No Yes 0.060 mg/L Resolved Aug 31, 2014
Jan 1, 2014 Aug 31, 2014 MR No Yes 0.060 mg/L Resolved Aug 31, 2014
Jun 1, 2013 Jun 30, 2013 MCL Yes No 5% of samples Resolved Jun 30, 2013
Jun 1, 2013 Jun 30, 2013 MCL Yes No 5% of samples Resolved Jun 30, 2013
Jun 1, 2013 Jun 30, 2013 MCL Yes No 5% of samples Resolved Jun 30, 2013
Jun 1, 2013 Jun 30, 2013 MCL Yes No 5% of samples Resolved Jun 30, 2013
Jul 1, 2012 Other No No Resolved Aug 2, 2012
Jul 1, 2012 Other No No Resolved Aug 2, 2012
Jul 1, 2007 Dec 31, 2007 MR No No TT Resolved Dec 31, 2007
Jul 1, 2007 Dec 31, 2007 MR No No TT Resolved Dec 31, 2007
Jul 1, 2004 Other No No Resolved Jun 30, 2005
Jul 1, 2004 Other No No Resolved Jun 30, 2005
Oct 1, 2002 Oct 31, 2002 MR No No 5% of samples Archived Oct 31, 2002
Oct 1, 2002 Oct 31, 2002 MR No No 5% of samples Archived Oct 31, 2002
Nov 1, 2001 Nov 30, 2001 MR No No 5% of samples Archived Nov 30, 2001
Nov 1, 2001 Nov 30, 2001 MR No No 5% of samples Archived Nov 30, 2001
Oct 1, 2001 Oct 31, 2001 MR No No 5% of samples Archived Oct 31, 2001
Oct 1, 2001 Oct 31, 2001 MR No No 5% of samples Archived Oct 31, 2001
Mar 1, 2001 Mar 31, 2001 MR No No 5% of samples Archived Mar 31, 2001
Mar 1, 2001 Mar 31, 2001 MR No No 5% of samples Archived Mar 31, 2001
Feb 1, 2001 Feb 28, 2001 MR No No 5% of samples Archived Feb 28, 2001
Feb 1, 2001 Feb 28, 2001 MR No No 5% of samples Archived Feb 28, 2001
Oct 1, 2000 Oct 31, 2000 MR No No 5% of samples Archived Oct 31, 2000
Oct 1, 2000 Oct 31, 2000 MR No No 5% of samples Archived Oct 31, 2000
Aug 1, 2000 Aug 31, 2000 MR No No 5% of samples Archived Aug 31, 2000
Aug 1, 2000 Aug 31, 2000 MR No No 5% of samples Archived Aug 31, 2000
Jul 1, 2000 Jul 31, 2000 MR No No 5% of samples Archived Jul 31, 2000
Jul 1, 2000 Jul 31, 2000 MR No No 5% of samples Archived Jul 31, 2000
Oct 1, 1999 Oct 31, 1999 MR No No 5% of samples Archived Oct 31, 1999
Oct 1, 1999 Oct 31, 1999 MR No No 5% of samples Archived Oct 31, 1999
Apr 1, 1999 Apr 30, 1999 MR No No 5% of samples Archived Apr 30, 1999
Apr 1, 1999 Apr 30, 1999 MR No No 5% of samples Archived Apr 30, 1999
Jun 1, 1998 Jun 30, 1998 MR No No 5% of samples Archived Jun 30, 1998

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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